import turtle as t
t.speed(99999999)
t.forward(45)
t.left(90)
t.color("red")
t.circle(100)
t.forward(45)
t.left(90)
t.color("blue")
t.circle(100)
t.forward(45)
t.left(90)
t.color("green")
t.circle(100)
t.forward(45)
t.left(90)
t.color("yellow")
t.circle(100)
t.done()
